(The D in this name is pronounced like TH in they. )
Devaki was Krishna's mother. ( Not to confuse you,but for information - Yudhishthira's wife other than Droupadi was also named Devaki, who was daughter of or from the clan of Shibi. Youdheya was her son.)
Devaki was daughter of Devaka. She was one of the two principal wives of Vasudeva. Rohini was the other one.( There were many others too.).Krishna was born to Devaki and Balaraama was born to Rohini. Both the sons were secretely sent to a cowherd's place to sve them from their uncle Kamsa.
Devaki burnt herself with her husband on the pyre a few days after Krishna's departure.
"After praying to Naaraayana, Nara, Sarasvathi and Vyaasa, then one should read the Jayam."
DEDICATED TO MY DEAR NIECE VYSHNAVI KRISHNA